EASA SIB SAFO10014: Airworthiness Concerns for Work Accomplished by US Aircraft Instruments

What to do

Owners and operators should immediately review their maintenance records to identify any work performed by US Aircraft Instruments between April 1998 and July 9, 2009. They must assess the scope and dates of such work and consider that any altimeter system tests conducted by this repair station within the last 24 months may be invalid. Operators should consult the relevant Federal Aviation Regulations to maintain compliance and contact the Philadelphia Flight Standards District Office for further guidance if affected.

Summary

The Safety Alert for Operators (SAFO) 10014 titled 'Airworthiness Concerns for Work Accomplished by US Aircraft Instruments' informs aircraft owners and operators about potential airworthiness issues related to work performed by US Aircraft Instruments between April 1998 and July 9, 2009. The alert highlights concerns arising from FAA inspections that led to the emergency revocation of the repair station certificate held by US Aircraft Instruments in Hammonton, NJ. This SAFO is relevant to any aircraft or instruments serviced by this facility during the specified timeframe.

What changed

SAFO 10014 introduces a notification regarding the revocation of US Aircraft Instruments' repair station certificate due to multiple discrepancies, including improper calibration, unauthorized work, outdated technical data usage, and falsified records. It alerts operators that work performed by this repair station may not meet airworthiness standards and that certain recent altimeter system tests may be invalid.

Why it matters

This SAFO is critical for aviation professionals because it directly impacts the airworthiness status of aircraft and instruments serviced by US Aircraft Instruments. Operators and maintenance organizations must verify the validity of past maintenance and inspections to ensure regulatory compliance and safe operation. Failure to address these concerns could lead to regulatory violations and potential safety risks.